ALEX MARTINELLI NP
NPI 1871102905
Nurse Practitioner in Stanford, CA
About Alex Martinelli Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX MARTINELLI NP (NPI 1871102905) is an individual nurse practitioner in Stanford, California, licensed in California (95017395) and active in the NPI registry since July 2020. He is enrolled in Medicare PECOS, is affiliated with Parma Community General Hospital, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alex Martinelli Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Alex Martinelli reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Westlake, OH 44145
- Reassigned Medicare billing, Ohio enrollment
- 48 clinicians in this Medicare group
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Parma Community General Hospital
Acute Care Hospitals · Parma, OHUh St John Medical Center
Acute Care Hospitals · Westlake, OHUh Cleveland Medical Center
Acute Care Hospitals · Cleveland, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alex Martinelli's NPI number?
The NPI number for Alex Martinelli is 1871102905. It was assigned to this individual provider in the NPPES registry on July 24, 2020.
Where is Alex Martinelli located?
Alex Martinelli practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Alex Martinelli's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Alex Martinelli enrolled in Medicare?
Yes. Alex Martinelli is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alex Martinelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Martinelli reassigns Medicare benefits to 5 organizations: University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Hospitals St. John Medical Center (Westlake, OH) and University Hospitals Medical Group Inc (Cleveland, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alex Martinelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Martinelli accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and MedMutual list Alex Martinelli as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alex Martinelli affiliated with any hospitals?
According to CMS data, Alex Martinelli is affiliated with Parma Community General Hospital, Uh St John Medical Center and Uh Cleveland Medical Center.
When was this NPI record last updated?
The NPPES record for Alex Martinelli was last updated on April 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alex Martinelli, NP · NPI 1871102905
Nurse Practitioner physician in Stanford, California. Individual provider, active in the CMS NPPES registry since July 24, 2020.
## Identity
- **NPI:** 1871102905 (Entity type: Individual)
- **Enumerated:** July 24, 2020
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95017395 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Hospitals St. John Medical Center (NPI 1427353713, Westlake, OH); University Hospitals Medical Group Inc (NPI 1669499414, Cleveland, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** April 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1871102905) · Data from the CMS NPPES public registry.